package com.hehua.StrategyPattern;

/**
 * 儿童折扣类,充当具体策略类
 */
public class ChildrenDisCount implements Discount {
    private final double DISCOUNT = 10;

    @Override
    public double calculate(double price) {
        System.out.println("儿童票");
        if (price >= 20) {
            return price - DISCOUNT;
        } else {
            return price;
        }
    }
}
